EP3997016A1 - Nouveau maillon de chaîne - Google Patents

Nouveau maillon de chaîne

Info

Publication number
EP3997016A1
EP3997016A1 EP20840329.5A EP20840329A EP3997016A1 EP 3997016 A1 EP3997016 A1 EP 3997016A1 EP 20840329 A EP20840329 A EP 20840329A EP 3997016 A1 EP3997016 A1 EP 3997016A1
Authority
EP
European Patent Office
Prior art keywords
chain link
opening
clevis
prong
centered
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP20840329.5A
Other languages
German (de)
English (en)
Other versions
EP3997016A4 (fr
Inventor
Kenneth BLANCHARD
Terry L. Duperon
Bryce FUNCHION
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Duperon Terry L
Funchion Bryce
Original Assignee
Duperon Terry L
Funchion Bryce
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Duperon Terry L, Funchion Bryce filed Critical Duperon Terry L
Publication of EP3997016A1 publication Critical patent/EP3997016A1/fr
Publication of EP3997016A4 publication Critical patent/EP3997016A4/fr
Pending legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16G—BELTS, CABLES, OR ROPES, PREDOMINANTLY USED FOR DRIVING PURPOSES; CHAINS; FITTINGS PREDOMINANTLY USED THEREFOR
    • F16G13/00—Chains
    • F16G13/02—Driving-chains
    • F16G13/06—Driving-chains with links connected by parallel driving-pins with or without rollers so called open links
    • F16G13/07—Driving-chains with links connected by parallel driving-pins with or without rollers so called open links the links being of identical shape, e.g. cranked
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16G—BELTS, CABLES, OR ROPES, PREDOMINANTLY USED FOR DRIVING PURPOSES; CHAINS; FITTINGS PREDOMINANTLY USED THEREFOR
    • F16G13/00—Chains
    • F16G13/18—Chains having special overall characteristics
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16G—BELTS, CABLES, OR ROPES, PREDOMINANTLY USED FOR DRIVING PURPOSES; CHAINS; FITTINGS PREDOMINANTLY USED THEREFOR
    • F16G13/00—Chains
    • F16G13/18—Chains having special overall characteristics
    • F16G13/20—Chains having special overall characteristics stiff; Push-pull chains
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16G—BELTS, CABLES, OR ROPES, PREDOMINANTLY USED FOR DRIVING PURPOSES; CHAINS; FITTINGS PREDOMINANTLY USED THEREFOR
    • F16G15/00—Chain couplings, Shackles; Chain joints; Chain links; Chain bushes
    • F16G15/12—Chain links

Definitions

  • This invention deals with novel chain links that are used in combination with essentially identical chain links to form a chain that is useful in flex rake apparati for use in cleaning water streams .
  • the chain links of this invention are useful for manufacturing chains that are useful in water management equipment such as that found in U.S. Patent 9,707,496.
  • the chain link system that is provided by the unique chain links of this invention are load bearing. Some of the inventive links will flex in both directions, which is not a property of any chain link found in use today. In the normal direction, they will flex
  • the chain links comprise a unitary metal bar having a top, a first end, a second end, a tang space, and a center point.
  • the chain link first end is a clevis, wherein the clevis has through openings through the prongs of the clevis which openings have a predetermined size.
  • the tang opening has a back wall.
  • the back wall has a beveled surface and has an insert opening in it.
  • the chain link second end has a centered prong, the centered prong having a predetermined size second through opening in it.
  • the centered prong is configured to fit the clevis first end on an adjoining chain link.
  • the chain link second end has an integrally mounted prow at a terminating end and there is an insert plug, insertable in the insert opening .
  • the one way flex chain link comprises a unitary metal bar having a top, a first end, a second end, a tang space, a center point, and at least one elongated opening through a side of the unitary metal bar.
  • the chain link first end is a clevis, the clevis having a through opening through the prongs of the clevis.
  • the openings have a
  • the tang opening has a back wall and the back wall has a beveled surface and has an insert opening in it.
  • the chain link second end has a centered prong, the centered prong having a predetermined second through opening in it.
  • the centered prong is configured to fit a clevis first end on an adjoining chain link.
  • the chain link second end has an integrally mounted prow at a terminating end.
  • insert plug insertable in the insert opening and a lateral slit in the top of the unitary metal bar, from the top through into the elongated opening in the side of the unitary metal bar.
  • the chain link first end is a clevis, the clevis having a through opening through the prongs of the clevis, the opening having a predetermined size.
  • the tang opening has a back wall, the back wall being beveled and having an insert opening in it.
  • the chain link second end has a centered prong, the centered prong having a predetermined second through opening in it.
  • the centered prong is configured to fit a clevis first end on an adjoining chain link.
  • the chain link second end has an integrally mounted prow at a terminating end.
  • Figure 1 is a broken top view of a link of this invention.
  • Figure 2 is a broken side view of a link of this invention.
  • Figure 3 is a broken bottom view of a link of this invention.
  • Figure 4 is a full end view showing the insert opening in the tang opening wall .
  • Figure 5 is a full end view of the opposite end from the tang opening wall end.
  • Figure 6 is a broken top view of two of the links coupled together .
  • Figure 7 is a full view of the plug insert and a spring.
  • Figure 8 is cross-sectional view through line A-A of Figure 6.
  • Figure 9 is a full view of the plug and two shims used therewith.
  • Figure 10 is a cross-sectional view through line B-B of Figure 6 wherein the shims have been replaced by a spring.
  • Figure 11 is an illustration of a bushing in a bore having the capability of being turned in order to change the position of the busing in the bore.
  • Figure 12 is an illustration of the illustration of Figure 11 after the bushing has been turned in the bore .
  • Figure 13 is a full side view of a chain link of this invention with a spring bar replacing the rigid bar.
  • Figure 14A is a full side view of a construction of a chain link that will allow flex in two directions.
  • Figure 14B is a full side view of the Figure of 14A unflexed.
  • Figure 14C is a full side view of the Figure 14A flexed in the direction of the accompanying arrow.
  • a cross bar 2 having two ends, a first end 3 and a second end 4. Also shown is a tang opening 5 at the first end 3, a tang opening wall 6, a clevis configuration 7, through openings 8 in clevis configuration 7, and through opening 9 in second end 4.
  • tang opening means the open space between the prongs of the clevis and the "tang opening wall” means the back of the opening containing the plug insert opening.
  • the opening 9 can be cut off-center for purposes of this
  • the first end 3 is rounded 11 while second end 4 is partially rounded 12 and finishes on the upper side 13 with a prow 14.
  • second rounded end 4 is configured to fit in the clevis configuration 7 and a pin 16 ( Figure 6) is used to join the clevis 7 and the second end 4 together while allowing the ends to rotate around the pin 16.
  • the pin 16 diameter can be changed for this invention. By changing the pin 16 diameter to a slightly smaller (.010 to .020 inches) dimension, the link ends are allowed to move away from each other, changing the tab to tab (prow to tang opening wall surface ) landing position, thus changing the relative angle of the links one to another.
  • the tang opening 5 has a wall 6 that is beveled on the order of 20 to 30° from the vertical and that there is an insert opening 18 in the beveled wall 28 (stop pad) at the upper end 19 thereof. (See also Figures 8 and 10) .
  • the tang opening 5 has inserted in it a plug 20 and either a shim or shims 21 ( Figure 8) or a spring 22 ( Figure 10) .
  • the plug 20 is typically manufactured from polyurethane or some such plastic and has a durometer of from 75A to 70D to provide the appropriate reflexive activity.
  • Partially rounded end 4 has a prow 14 at its top end. This prow 14 interacts with the plug 20 of the opposite end of another chain link 1. This configuration is intended to provide an opportunity to change the reflexive pressure of one chain link against another when in use.
  • Figure 4 shows a first end 3 of the chain link 1 with the plug 20.
  • Figure 5 is an end view of the second end 4 showing the partially rounded end 12 and the curvature 22 that is required to allow the two ends of the chain link 1 to rotate to a certain degree.
  • chain link 1 of the first embodiment, wherein the metal bar 2 has been replaced with a steel spring 24.
  • this embodiment is the same as chain link 1.
  • Figure 14A is a full top view of the chain link 25 showing a centered lateral slit 26 in the top 27 of the chain link 25.
  • the width of the slit 26 is predetermined such that the flex of the chain link will only be to a certain desired degree.
  • Figure 14B is a full side view of the chain link 25 in a non-flex state
  • Figure 14C is a full side view of the chain link of Figure 14B after being flexed in the direction of the accompanying arrow.
  • the chain link 25 is configured such that the link will flex in both directions. In one direction, it will flex unrestricted. In the other direction, with a load applied, it will flex up to 4 degrees past parallel using the polyurethane plug as a load bearing spring.
  • the plug is described in detail Supra. In all other aspects, this embodiment is the same as chain link 1.
  • FIG. 11 there is shown an illustration of a bushing 15 in a bore having the capability of being turned in order to change the position of the bushing in the bore.
  • an end of a chain link 1 of this invention in which the link pin rides in a bushing 15 that has an octagon shaped exterior and a round bore that is offset from the center.
  • Repositioning the octagon shaped bushing 15 in the octagon shaped bore in the link end changes the relative positions of the two link ends by moving the stop pads 28 farther apart or closer together as desired. This changes the relative angle of the two links by allowing a second link to rotate more or less relative to a first link before the stop pads 28 make contact.
  • the octagon shape allows for four positions in this illustration. It is contemplated within the scope of this invention to have less or more sides that would allow for less or more position selections.
  • Figure 12 is an illustration of the illustration of Figure 11 after the bushing has been turned in the bore. The bore insertions are press fitted into place.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Load-Engaging Elements For Cranes (AREA)
  • Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)

Abstract

De nouveaux maillons de chaîne qui sont utilisés en combinaison avec des maillons de chaîne sensiblement identiques pour former une chaîne qui est utile dans des appareils à râteaux flexibles destinés à être utilisés dans le nettoyage de cours d'eau.
EP20840329.5A 2019-07-12 2020-07-10 Nouveau maillon de chaîne Pending EP3997016A4 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US16/509,968 US11506258B2 (en) 2019-07-12 2019-07-12 Chain link
PCT/US2020/041562 WO2021011361A1 (fr) 2019-07-12 2020-07-10 Nouveau maillon de chaîne

Publications (2)

Publication Number Publication Date
EP3997016A1 true EP3997016A1 (fr) 2022-05-18
EP3997016A4 EP3997016A4 (fr) 2024-03-20

Family

ID=74101931

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20840329.5A Pending EP3997016A4 (fr) 2019-07-12 2020-07-10 Nouveau maillon de chaîne

Country Status (4)

Country Link
US (1) US11506258B2 (fr)
EP (1) EP3997016A4 (fr)
CA (1) CA3145306A1 (fr)
WO (1) WO2021011361A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE546286C2 (en) * 2022-05-09 2024-09-24 Nordic Quick Systems Ab A chain plate to be used in a straight side plate conveyor chain, a straight side plate conveyor chain and a conveyor system comprising such conveyor chain

Family Cites Families (40)

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Also Published As

Publication number Publication date
WO2021011361A1 (fr) 2021-01-21
CA3145306A1 (fr) 2021-01-21
US20210010562A1 (en) 2021-01-14
EP3997016A4 (fr) 2024-03-20
US11506258B2 (en) 2022-11-22

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